Old River (California)
E1046599
Old River (California) is a distributary channel of the San Joaquin River in the Sacramento–San Joaquin River Delta, playing a key role in the region’s complex waterway and irrigation system.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Old River (California) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13536257 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Old River (California) Context triple: [Byron, California, near, Old River (California)]
-
A.
New River (California)
New River is a tributary stream in Northern California that flows through the Klamath Mountains and contributes to the Trinity River system.
-
B.
Tula River
The Tula River is a significant waterway in central Mexico that flows through the state of Hidalgo and plays an important role in regional agriculture, industry, and wastewater management.
-
C.
Russian River (California)
The Russian River is a major Northern California waterway known for winding through Sonoma and Mendocino counties, supporting vineyards, recreation, and wildlife habitats before emptying into the Pacific Ocean.
-
D.
Smith River, California
Smith River, California is a small unincorporated community in the far northwestern corner of the state, near the Oregon border and the Pacific coast.
-
E.
Cosumnes River
The Cosumnes River is a relatively free-flowing river in Northern California known for its diverse riparian habitats and role in supporting regional wildlife and recreation.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Old River (California) Target entity description: Old River (California) is a distributary channel of the San Joaquin River in the Sacramento–San Joaquin River Delta, playing a key role in the region’s complex waterway and irrigation system.
-
A.
New River (California)
New River is a tributary stream in Northern California that flows through the Klamath Mountains and contributes to the Trinity River system.
-
B.
Tula River
The Tula River is a significant waterway in central Mexico that flows through the state of Hidalgo and plays an important role in regional agriculture, industry, and wastewater management.
-
C.
Russian River (California)
The Russian River is a major Northern California waterway known for winding through Sonoma and Mendocino counties, supporting vineyards, recreation, and wildlife habitats before emptying into the Pacific Ocean.
-
D.
Smith River, California
Smith River, California is a small unincorporated community in the far northwestern corner of the state, near the Oregon border and the Pacific coast.
-
E.
Cosumnes River
The Cosumnes River is a relatively free-flowing river in Northern California known for its diverse riparian habitats and role in supporting regional wildlife and recreation.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
distributary channel
ⓘ
river ⓘ waterway ⓘ |
| connectedTo |
Middle River (California)
ⓘ
Old River Intake Channel ⓘ San Joaquin River ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| distributaryOf | San Joaquin River ⓘ |
| environmentalIssue |
affected by altered flow patterns from water exports
ⓘ
fish entrainment risk near export facilities ⓘ |
| flowsThrough |
Contra Costa County, California
ⓘ
linked to:
Contra Costa County
San Joaquin County, California ⓘ
linked to:
San Joaquin County
|
| hasFunction |
conveys water toward export facilities in the south Delta
ⓘ
distributes San Joaquin River flows within the Delta ⓘ supports Delta agriculture ⓘ |
| hasHydrologyType | tidally influenced channel ⓘ |
| hasMouthIn | Sacramento–San Joaquin River Delta ⓘ |
| locatedIn |
Central Valley (California)
ⓘ
linked to:
Central Valley
Sacramento–San Joaquin River Delta ⓘ |
| partOf |
California water system
ⓘ
Delta levee and channel network ⓘ Sacramento–San Joaquin Delta waterways ⓘ
linked to:
Sacramento–San Joaquin River Delta
San Joaquin River system ⓘ
linked to:
San Joaquin River
|
| state |
California
ⓘ
linked to:
California, United States
|
| subjectOf |
California water management policies
ⓘ
Delta conveyance and ecosystem restoration planning ⓘ |
| usedFor |
irrigation
ⓘ
navigation ⓘ water conveyance ⓘ |
| waterBodyType | distributary channel in a river delta ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Old River (California) Description of subject: Old River (California) is a distributary channel of the San Joaquin River in the Sacramento–San Joaquin River Delta, playing a key role in the region’s complex waterway and irrigation system.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.